MCHW VOLUME 5 SECTION 3 PART 4 - SPECIFICATION

1 August 1997 MANUAL OF CONTRACT DOCUMENTS FOR HIGHWAY WORKSVOLUME 5 CONTRACT DOCUMENTSFOR SPECIALISTACTIVITIESSECTION 3 GROUND INVESTIGATIONPART 4 SPECIFICATIONSUMMARYS pecification for ground FOR USEThis is a new document to be inserted into the this SPECIFICATION into VOLUME 5, SECTION this sheet as : A quarterly index with a full set of VolumeContents Pages is available separately from theStationery Office COPY NOT FOR USE OUTSIDE THE COPIES OF THIS ELECTRONIC DOCUMENT ARE InvestigationPart 4: SpecificationTHE HIGHWAYS AGENCYTHE SCOTTISH OFFICE DEVELOPMENT DEPARTMENTTHE WELSH OFFICEY SWYDDFA GYMREIGTHE DEPARTMENT OF THE ENVIRONMENT FORNORTHERN IRELANDMANUAL OF CONTRACT DOCUMENTS FOR HIGHWAY WORKSS ummary.

2 SPECIFICATION for ground COPY NOT FOR USE OUTSIDE THE COPIES OF THIS ELECTRONIC DOCUMENT ARE 5 SECTION 3 part 4 SpecificationAugust 1997 ELECTRONIC COPY NOT FOR USE OUTSIDE THE COPIES OF THIS ELECTRONIC DOCUMENT ARE OF AMENDMENTS Amend Page No Signature & Date of Amend Page NoSignature & Date of Noincorporation of Noincorporation ofamendmentsamendmentsRegistration of AmendmentsVolume 5 SECTION 3 part 4 SpecificationAugust 1997 ELECTRONIC COPY NOT FOR USE OUTSIDE THE COPIES OF THIS ELECTRONIC DOCUMENT ARE OF AMENDMENTS Amend Page No Signature & Date of Amend Page NoSignature & Date of Noincorporation of Noincorporation ofamendmentsamendmentsRegistration of AmendmentsVOLUME 5 CONTRACT DOCUMENTSFOR SPECIALISTACTIVITIESSECTION 3 GROUND INVESTIGATIONPART and situ and 1 Standpipe and piezometer detailsAppendix 2 Gas monitoring standpipesdetailsAppendix 3 Pressuremeter testingAppendix 4 Contamination testing methodsAppendix 5 Tests for UKAS accreditationAppendix 6 Tests by proficiency testedlaboratoriesDESIGN MANUAL FOR ROADS AND BRIDGESA ugust 1997 ELECTRONIC COPY NOT FOR USE OUTSIDE THE COPIES OF THIS ELECTRONIC DOCUMENT ARE 7 References and BibliographySchedule 1 InformationSchedule 2 Exploratory holesSchedule 3 Engineer's facilitiesSchedule 4 Amended SPECIFICATION

3 ClausesSchedule 5 Additional SPECIFICATION clausesELECTRONIC COPY NOT FOR USE OUTSIDE THE COPIES OF THIS ELECTRONIC DOCUMENT ARE 5 SECTION 3 part 4 SpecificationAugust 1997 ELECTRONIC COPY NOT FOR USE OUTSIDE THE COPIES OF THIS ELECTRONIC DOCUMENT ARE INFORMATION1/1 Chapter and requirements specific to the particularground investigation Contract are given in the followingSchedules which form part of the following information is provided in Schedule 1 Schedule - The scope and object of - A description of the route - A list of Drawings referred to inthe tender. The Drawings are of a confidentialnature and the details contained in theseDrawings shall not be divulged to anyone outsidethe Contractor s organisation or to those notdirectly concerned with the tender - A general description of the SiteOperations including Ancillary - The geological formations likely tobe - The list of affected landowners,tenants and occupiers together with - Form of Monthly Statement ifrequired (Conditions of Contract clause 60).

4 Schedule - Particular general requirements( SECTION 3).Schedule - Particular borehole requirements( SECTION 4).Schedule - Particular rotary drillingrequirements ( SECTION 5).Schedule - Particular pit and trenchrequirements ( SECTION 6).Schedule - Particular sampling requirements( SECTION 7).Schedule - Particular in situ testingrequirements ( SECTION 8).Schedule - Particular instrumentation andmonitoring requirements ( SECTION 9).Schedule - Particular laboratory testingrequirements ( SECTION 11).Schedule - Particular reporting requirements(Sections 10 and 12).Schedule - Particular requirements relatingto potentially contaminated The following information is provided in Schedule2: A list of exploratory holes including details of location,depth, minimum diameter, The following information is provided in Schedule3: The requirements for the Engineer s office, officeequipment, transport, protective clothing and The following information is provided in Schedule4: Amendments to clauses of the The following information is provided in Schedule5.

5 Additional clauses to the 5 SECTION 3 part 4 SpecificationAugust 1997 ELECTRONIC COPY NOT FOR USE OUTSIDE THE COPIES OF THIS ELECTRONIC DOCUMENT ARE DEFINITIONS2/1 Chapter definitions refer to the SPECIFICATION , Drawings,Schedules, Conditions of Contract and Bill of Quantitiesof this Ground Investigation Contract and environmentalpersonnelGeotechnical and environmental personnel shall becompetent to undertake the work required. Categoriesof personnel who may be required by the Contract areas follows:(a)Technician.(b)Incorporated Engineer.(c)Graduate Engineer/Geologist/EnvironmentalScientis t.(d)Graduate Engineer/Geologist/EnvironmentalScientis t with at least 3 years of relevantexperience since graduation.

6 (e)Chartered Engineer/Geologist/EnvironmentalScientis t with at least 5 years of relevantexperience.(f)Principal Chartered Engineer/Geologist/Environmental Scientist with at least 10 years ofrelevant qualifications and experience from states ofthe European Economic area which are equivalent toone of the above categories will be word topsoil shall mean the top layer of material,that contains humus and can also support SoilThe word soil shall include any natural or artificialmaterial not classified herein as topsoil, hard material orhard stratum and The words hard material , hard stratum and obstruction shall mean natural or artificial material,including rock, which cannot be penetrated except bythe use of chiselling techniques, rotary drilling.

7 Blastingor powered breaking The terms hard stratum and obstruction shallapply whilst boring where it is demonstrated by theContractor that condition (1) and either condition (2) orcondition (3) below are fulfilled provided that the boringrig is in good working order and is fully Condition (1) - cable percussion boring cannotproceed at a rate greater than through thehard stratum/obstruction being Condition (2) - 100 mm diameter undisturbedsample tubes cannot be driven more than 300 Condition (3) - A Standard penetration resistancetest shows a resistance in excess of 35 The term hard material shall apply only toexcavation of pits and trenches and shall mean one ofthe following:(a)natural or artificial material, including rock, inmasses in excess of cubic metres, whichcannot be penetrated except by the use ofchiselling techniques or powered breaking tools.

8 (b)existing pavements, footways, paved areas (butexcluding unbound materials) and foundations inmasses in excess of cubic FillThe word fill shall mean any deposits or constructionwhich have been formed by persons, as distinct fromgeological holeThe words exploratory hole shall mean any hole or insitu test hole formed for the purpose of term boring shall include percussion boring andauger 5 SECTION 3 part 4 SpecificationAugust 1997 ELECTRONIC COPY NOT FOR USE OUTSIDE THE COPIES OF THIS ELECTRONIC DOCUMENT ARE DrillingThe term drilling shall include rotary BoreholeThe term borehole shall mean an exploratory hole putdown by boring or drilling Inspection pitThe term inspection pit shall refer to a hand excavatedhole for the purpose of investigating the possiblepresence of underground services at the location of anexploratory Trial pits and trenchesThe terms trial pit and trial trench

9 Shall refer toexploratory holes for which personnel entry is pits and trenchesThe terms observation pit and observation trench shall refer to exploratory holes requiring geotechnical orenvironmental personnel contaminated landThe term potentially contaminated land shall mean thatland designated as such on the Drawings. This land maycontain substances which could give rise to hazardslikely to affect human health, the natural environment orthe proposed ground investigationThe term contamination ground investigation shallmean those parts of the Investigation that areundertaken on potentially contaminated land to obtaininformation on the contamination of the facilityThe term hygiene facility shall mean designatedwashing and other specific facilities (as described inSchedule ).

10 WellThe term sampling well shall mean groundwatersampling standpipes and combined gas and groundwatersampling standpipes from which groundwater samplesare taken for the contamination ground 5 SECTION 3 part 4 SpecificationAugust 1997 ELECTRONIC COPY NOT FOR USE OUTSIDE THE COPIES OF THIS ELECTRONIC DOCUMENT ARE GENERAL RecognitionWork, goods and materials shall comply with thestandards specified in the where the specified standard implements or istechnically equivalent to a Harmonised EuropeanStandard or to a European Standard adopted for useafter 31 December 1985, any requirement for goods ormaterials to comply with the specified standard shall besatisfied by compliance with:(i)a relevant standard or code of practice of anational standards body or equivalent body of anystate of the European Economic Area, or(ii)a relevant international standard recognised foruse in any state of the European Economic Area,or(iii)a technical regulation of any state of theEuropean Economic Area, or(iv)traditional procedures of manufacture of anystate of the European Economic Area wherethese are the subject of a written technicaldescription sufficiently detailed to permitassessment of the goods for the use specified, or(v)a European Technical Approval (ETA)